单项选择题

A．It is the regular rise and fall of ocean waters.
B．It comes definite times of each day.
C．It comes rushing in suddenly and unexpectedly.
D．Scientists can hold back a tidal wav
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单项选择题
A．Painters hired by the man and woman.B．Painters hired by Mr. Johns.C．Mr. Johns.D．The man and the woman.
A．Painters hired by the man and woman.
B．Painters hired by Mr. Johns.
C．Mr. Johns.
D．The man and the woman.
单项选择题
A．Whether to employ the woman.B．Whether to take up the new job.C．Whether to ask for a raise.D．Whether to buy a new hous
A．Whether to employ the woman.
B．Whether to take up the new job.
C．Whether to ask for a raise.
D．Whether to buy a new hous
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